Also called cuprammonium complex salt. A general term for copper complexes in which ammonia is coordinated to copper(II) ions. Tetraamminecopper complexes are the most well-known. When alcohol is added to an aqueous solution of copper sulfate and ammonia, large blue-purple crystals of [Cu(NH 3 ) 4 ]SO 4 ・H 2 O are produced. In this complex, four ammonia molecules are coordinated around the copper in a square planar configuration, and one water molecule is coordinated perpendicular to these. When gaseous ammonia is reacted with solid anhydrous copper sulfate, [Cu(NH 3 ) 5 ]SO 4 is obtained. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
銅アンモニア錯塩ともいう。銅(II)イオンにアンモニアが配位した銅錯体の総称。テトラアンミン銅錯体は最もよく知られる。硫酸銅のアンモニア水溶液にアルコールを加えると[Cu(NH3)4]SO4・H2Oの大きな青紫色結晶が生じる。この錯体では,4個のアンモニア分子が銅のまわりに平面正方形に配位し,それと垂直な方向に1個の水分子が配位している。無水硫酸銅固体に気体アンモニアを作用させると[Cu(NH3)5]SO4が得られる。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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